CN210413211U

CN210413211U - Welding fixture for vehicle body framework

Info

Publication number: CN210413211U
Application number: CN201920918105.3U
Authority: CN
Inventors: 彭湘平
Original assignee: Guangzhou Chengtao Machinery Co ltd
Current assignee: Guangzhou Chengtao Machinery Co ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-04-28
Anticipated expiration: 2029-06-18

Abstract

The utility model discloses a welding fixture of a vehicle body framework, which belongs to the technical field of automobile fixtures, and comprises a left fixture body and a right fixture body which are arranged at two sides of a base, wherein the left fixture body and the right fixture body are identical and symmetrical in structure, the upper end of the right fixture body is provided with the fixture framework, the front end and the rear end of the fixture framework are fixedly connected with a main connecting rope, the main connecting rope is fixedly connected with an auxiliary connecting rope, one end of the main connecting rope, which is far away from the fixture framework, and one end of the auxiliary connecting rope, which is far away from the main connecting rope, are fixedly connected with a hollow rubber pad, the inner wall of the hollow rubber pad is fixedly connected with two symmetrical rubber separation sheets, sponge bodies are filled between the rubber separation sheets and the hollow rubber pad, the surface of the hollow rubber pad is fixedly connected with a main elastic belt and an auxiliary elastic belt, so that the manual auxiliary vehicle body framework can, the staff's hand is difficult for the automobile body skeleton scratch.

Description

Welding fixture for vehicle body framework

Technical Field

The utility model relates to an automotive fixture technical field, more specifically say, relate to a welding jig of automobile body skeleton.

Background

A company in Chongqing City discloses a patent of a welding fixture for a vehicle body assembly, which is published under the number CN204771294U, the welding fixture for the vehicle body assembly comprises a left fixture body and a right fixture body which are arranged at two sides of a base platform and have the same structure and are symmetrical, wherein the left fixture body and the right fixture body respectively comprise a base, a slide rail arranged on the base, a movable sliding table arranged on the slide rail, a fixture framework fixed on the sliding table, a first cylinder arranged on the base and used for driving the sliding table to move along the slide rail, and a lower locking structure; the lower locking structure comprises a second cylinder fixed on the sliding table and two rollers arranged on the base in parallel along the left-right direction, a slot is formed in a gap between the two rollers, and a piston rod of the second cylinder can extend into the slot to limit the displacement of the sliding table in the left-right direction; the clamp framework is fixed with a connecting arm, an upper locking structure is arranged between the connecting arm on the left clamp body and the connecting arm on the right clamp body, and the left clamp body and the right clamp body can be accurately positioned and reliably locked by the aid of the clamp framework, so that the dimensional accuracy of the vehicle body in the width direction is guaranteed.

Although the left clamp body and the right clamp body can be locked accurately, in the actual welding process, in order to improve the positioning accuracy, certain welding processes need manual assistance to fix the automobile body framework and a specific locking structure, and workers can be scratched in the manual assistance positioning process due to the fact that the automobile body framework is sharp and heavy.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a welding jig of automobile body skeleton, it can realize through setting up hollow rubber pad on the anchor clamps skeleton for artifical supplementary automobile body skeleton carries out welding position's in-process, and the difficult automobile body skeleton scratch of being by the staff hand.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A welding fixture for a vehicle body framework comprises a left fixture body and a right fixture body which are arranged on two sides of a base, wherein the left fixture body and the right fixture body are identical and symmetrical in structure, a fixture framework is arranged at the upper end of the right fixture body, main connecting ropes are fixedly connected to the front end and the rear end of the fixture framework, auxiliary connecting ropes are fixedly connected to the main connecting ropes, hollow rubber pads are fixedly connected to one ends, away from the fixture framework, of the main connecting ropes and one ends, away from the main connecting ropes, of the auxiliary connecting ropes, two symmetrical rubber blocking sheets are fixedly connected to the inner wall of each hollow rubber pad, sponge bodies are filled between the rubber blocking sheets and the hollow rubber pads, main elastic belts and auxiliary elastic belts are fixedly connected to the surfaces of the hollow rubber pads, the hollow rubber pads are arranged on the fixture framework, so that the manual auxiliary vehicle body framework can be welded and positioned, the staff's hand is difficult for the automobile body skeleton scratch.

Further, anchor clamps skeleton both ends all are equipped with the spacing area of elasticity, the spacing area one end of elasticity and anchor clamps skeleton fixed connection, the spacing area other end of elasticity bonds with the anchor clamps skeleton, the spacing area of elasticity is located the downside of main connection rope, and when hollow rubber pad did not use, it is fixed with main connection rope and vice connection rope through the spacing area of elasticity, makes hollow rubber pad be difficult for rocking at will.

Furthermore, be located two the cavernosum density between the rubber separation piece is greater than the density that is located the cavernosum in the rubber separation piece outside for when bending hollow rubber pad and carrying out the centre gripping with automobile body skeleton, both sides density is little therefore soft make things convenient for the operator to grip, and the middle part is thick makes the difficult damage that receives of operator's hand when hollow rubber pad centre gripping automobile body skeleton.

Further, cavity rubber pad fixed surface is connected with a plurality of rubber archs, the rubber arch is hemispherical structure, protruding spaced distribution of rubber is on cavity rubber pad surface, and operator's thumb and four indicate to penetrate vice elastic webbing and main elastic webbing back respectively, and the bellied setting of rubber can increase the frictional force between operator's hand and the cavity rubber pad.

Furthermore, the surface of the hollow rubber pad is provided with a rough layer, the rough layer is positioned on the surface, facing back, of the plane where the main elastic belt and the auxiliary elastic belt are positioned, and when the automobile body framework is clamped after the hollow rubber pad is bent, the rough layer enables the hollow rubber pad and the automobile body framework not to slide easily.

Furthermore, the positions of the main elastic belt and the auxiliary elastic belt on the two hollow rubber pads are in inverse symmetry, the main elastic belt and the auxiliary elastic belt on the upper side are convenient for an operator to put in by the right hand, and the main elastic belt and the auxiliary elastic belt on the lower side are convenient for the operator to put in by the left hand.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme can realize through setting up the cavity rubber pad on the anchor clamps skeleton for artifical supplementary automobile body skeleton carries out welding position's in-process, and the difficult automobile body skeleton scratch of being by staff's hand.

(2) The anchor clamps skeleton both ends all are equipped with the spacing area of elasticity, and the spacing area one end of elasticity and anchor clamps skeleton fixed connection, the spacing area other end of elasticity and anchor clamps skeleton bond, and the spacing area of elasticity is located the downside of main connection rope, when hollow rubber pad does not use, fixes main connection rope and vice connection rope through the spacing area of elasticity, makes the difficult random rocking of hollow rubber pad.

(3) The sponge density that is located between two rubber separation pieces is greater than the density that is located the sponge in the rubber separation piece outside for when bending hollow rubber pad and carrying out the centre gripping with automobile body skeleton, therefore the operator that makes things convenient for is held softer to both sides density, and the operator hand is difficult for receiving the damage when the middle part is thick makes hollow rubber pad centre gripping automobile body skeleton.

(4) The surface of the hollow rubber pad is fixedly connected with a plurality of rubber protrusions which are of a hemispherical structure, the rubber protrusions are distributed on the surface of the hollow rubber pad at intervals, and after an operator thumb and four fingers penetrate into the auxiliary elastic belt and the main elastic belt respectively, the rubber protrusions are arranged to increase friction force between the operator hand and the hollow rubber pad.

(5) The rough layer is arranged on the surface of the hollow rubber pad, the rough layer is located on the surface, back to back, of the plane where the main elastic belt and the auxiliary elastic belt are located, and when the automobile body framework is clamped after the hollow rubber pad is bent, the rough layer enables the hollow rubber pad and the automobile body framework not to slide easily.

(6) The main elastic belt and the auxiliary elastic belt on the two hollow rubber pads are in inverse symmetry, the main elastic belt and the auxiliary elastic belt on the upper side are convenient for an operator to put in by the right hand, and the main elastic belt and the auxiliary elastic belt on the lower side are convenient for the operator to put in by the left hand.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic structural view of the hollow rubber pad of the present invention when partially bent.

The reference numbers in the figures illustrate:

the clamp comprises a left clamp body 1, a right clamp body 2, a clamp framework 3, a main connecting rope 4, an elastic limiting belt 5, a hollow rubber pad 61, a sponge 62, a rubber separation sheet 63, an auxiliary connecting rope 7, a rubber bulge 8, a main elastic belt 9 and an auxiliary elastic belt 10.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

please refer to fig. 1, a welding fixture for a vehicle body framework, comprising a left fixture body 1 and a right fixture body 2 arranged at two sides of a base, wherein the left fixture body 1 and the right fixture body 2 are identical and symmetrical in structure, a fixture framework 3 is installed at the upper end of the right fixture body 2, a main connecting rope 4 is fixedly connected at the front end and the rear end of the fixture framework 3, an auxiliary connecting rope 7 is fixedly connected on the main connecting rope 4, the main connecting rope and the auxiliary connecting rope 7 are elastic ropes, and a hollow rubber pad 61 is fixedly connected at one end of the main connecting rope 4 far away from the fixture framework 3 and one end of the auxiliary connecting rope 7 far away from the main connecting rope 4.

Referring to fig. 3, two symmetrical rubber barrier sheets 63 are fixedly connected to the inner wall of the hollow rubber pad 61, a sponge 62 is filled between the rubber barrier sheets 63 and the hollow rubber pad 61, and the density of the sponge 62 between the two rubber barrier sheets 63 is greater than that of the sponge 62 outside the rubber barrier sheets 63, so that when the hollow rubber pad 61 is bent to clamp the vehicle body frame, the sponge 62 on the two sides is thinner for an operator to hold, and the middle part is thicker for the operator to not easily damage the hand when the hollow rubber pad 61 clamps the vehicle body frame.

Referring to fig. 2, a main elastic belt 9 and an auxiliary elastic belt 10 are fixedly connected to the surface of a hollow rubber pad 61, the main elastic belt and the auxiliary elastic belt on the two hollow rubber pads are in inverse symmetry, the main elastic belt 9 and the auxiliary elastic belt 10 on the upper side facilitate the right hand of an operator to be put in, the main elastic belt 9 and the auxiliary elastic belt 10 on the lower side facilitate the left hand of the operator to be put in, a plurality of rubber protrusions 8 are fixedly connected to the surface of the hollow rubber pad 61, the rubber protrusions 8 are in a hemispherical structure, the rubber protrusions 8 are distributed on the surface of the hollow rubber pad 61 at intervals, after an operator thumb and four fingers respectively penetrate into the auxiliary elastic belt 10 and the main elastic belt 9, the arrangement of the rubber protrusions 8 can increase the friction force between the operator hand and the hollow rubber pad 61, a rough layer is arranged on the surface of the hollow rubber pad 61, the rough layer is arranged on the surface facing back, when the vehicle body framework is clamped after the hollow rubber pad 61 is bent, the rough layer is arranged, so that the hollow rubber pad 61 and the vehicle body framework are not easy to slide.

Referring to fig. 1, two ends of a fixture framework 3 are respectively provided with an elastic limiting belt 5, one end of each elastic limiting belt 5 is fixedly connected with the fixture framework 3, the other end of each elastic limiting belt 5 is bonded with the fixture framework 3, each elastic limiting belt 5 is located on the lower side of a main connecting rope 4, and when a hollow rubber pad 61 is not used, the main connecting rope 4 and an auxiliary connecting rope 7 are fixed through the elastic limiting belts 5, so that the hollow rubber pad 61 is not prone to random shaking.

When external hoisting equipment is used for hoisting the vehicle body framework on the specific locking structures on the left clamp body 1 and the right clamp body 2, an operator manually unlocks the elastic limiting belt 5, takes out the main connecting rope 4 and the auxiliary connecting rope 7, then inserts the thumb of the right hand into the auxiliary elastic belt 10 on the hollow rubber pad 61 positioned on the upper side, inserts the remaining four fingers into the main elastic belt 9, correspondingly inserts the thumb of the left hand into the auxiliary elastic belt 10 on the hollow rubber pad 61 positioned on the lower side, inserts the remaining four fingers into the main elastic belt 9, then simultaneously enables the left hand and the right hand to apply force to bend the hollow rubber pad 61, enables the bent hollow rubber pad 61 to clamp the vehicle body framework, namely the safe auxiliary vehicle body framework is placed in a specific position, in the process, because the density of the sponge body 62 positioned between the two rubber blocking sheets 63 is greater than the density of the sponge body 62 positioned outside the rubber blocking sheets 63, make the difficult damage that receives of operator's hand when cavity rubber pad 61 centre gripping automobile body skeleton, can realize through setting up cavity rubber pad 61 on anchor clamps skeleton 3 for artifical supplementary automobile body skeleton carries out welding position's in-process, the difficult automobile body skeleton scratch of staff's hand.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. A welding fixture for a vehicle body framework comprises a left fixture body (1) and a right fixture body (2) which are arranged on a base, wherein the left fixture body (1) and the right fixture body (2) are identical and symmetrical in structure, and a fixture framework (3) is installed at the upper end of the right fixture body (2), and is characterized in that main connecting ropes (4) are fixedly connected to two ends of the fixture framework (3), auxiliary connecting ropes (7) are fixedly connected to the main connecting ropes (4), hollow rubber pads (61) are fixedly connected to one ends, far away from the fixture framework (3), of the main connecting ropes (4) and one ends, far away from the main connecting ropes (4), of the auxiliary connecting ropes (7), respectively, two symmetrical rubber blocking pieces (63) are fixedly connected to the inner walls of the hollow rubber pads (61), and sponge bodies (62) are filled between the rubber blocking pieces (63) and the hollow rubber pads (61), the surface of the hollow rubber pad (61) is fixedly connected with a main elastic belt (9) and an auxiliary elastic belt (10).

2. The welding jig for vehicle body frames according to claim 1, characterized in that: the clamp is characterized in that elastic limiting belts (5) are arranged at two ends of the clamp framework (3), one end of each elastic limiting belt (5) is fixedly connected with the clamp framework (3), the other end of each elastic limiting belt (5) is bonded with the clamp framework (3), and each elastic limiting belt (5) is located on the lower side of the main connecting rope (4).

3. The welding jig for vehicle body frames according to claim 1, characterized in that: the density of the sponge (62) positioned between the two rubber barrier sheets (63) is greater than that of the sponge (62) positioned outside the rubber barrier sheets (63).

4. The welding jig for vehicle body frames according to claim 1, characterized in that: the hollow rubber pad (61) is fixedly connected with a plurality of rubber bulges (8) on the surface, the rubber bulges (8) are of a hemispherical structure, and the rubber bulges (8) are distributed on the surface of the hollow rubber pad (61) at intervals.

5. The welding jig for vehicle body frames according to claim 1, characterized in that: the surface of the hollow rubber pad (61) is provided with a rough layer, and the rough layer is positioned on the surface opposite to the plane where the main elastic belt (9) and the auxiliary elastic belt (10) are positioned.

6. The welding jig for vehicle body frames according to claim 1, characterized in that: the main elastic belt (9) and the auxiliary elastic belt (10) on the two hollow rubber pads (61) are in inverse symmetry.